Yo, sustentable

El romancero ha sido durante siglos vehículo de transmisión viva y directa de multitud de temas populares. Grandes poetas han utilizado el romance entre sus formas de expresión, por su musicalidad y su implantación popular.

Examines the apparent connection between birds and dinosaurs by comparing fossils, dinosaur bones, and modern birds.

Readers will learn about the important relationship between producers and consumers as well as buyers and sellers and how they all work together to create a healthy economy. This instructive volume defines basic economic concepts like goods and services and explains production with examples of the different types of production. It also covers the primary and secondary industries that produce goods. Concepts such as marketing and advertising are also covered, for a well-rounded view of this fascinating aspect of the economy.

How do you truly engage students in learning history? When students make personal connections to the subject, they’re much more motivated to learn. This Spanish biography provides firsthand accounts of history that give personal insights into historical events. This primary source book focuses on the lives of famous Californians including John Muir, Dorothea Lange, Sally Ride, and Cesar Chavez. Learn about California’s history while building reading comprehension and social studies literacy. With a visually appealing layout, this book features captivating text, fun facts, sidebars, and time ...